Cooler



FIG. 1 is a front perspective view showing our new design for a cooler;

FIG. 2 is a front view showing our new design shown in FIG. 1;

FIG. 3 is a right side view showing our new design shown in FIG. 1, the left side view being a mirror image thereof;

FIG. 4 is a back view showing our new design shown in FIG. 1;

FIG. 5 is a back perspective view showing our new design shown in FIG. 1;

FIG. 6 is a top view showing our new design shown in FIG. 1; and,

FIG. 7 is a bottom plan view showing our new design shown in FIG. 1. 

The ornamental design for a cooler, as shown and described. 